3
planet-forming
disks in Orion
stars
£
1 Myr
young stars
ages less than
1 Myr
small disks
radii
~ 1 - 8 x 100 AU
masses
>
0.002
M
¤
radii
~ 500 - 900 AU
masses ~ 0.001
- 0.01 M
¤
But what can we learn about them? They’re DARK NB can see with ground based & model
